Chapter 10 Review

Which of the following solutions contains the largest concentration of OH−(aq) ions?

• Solution with a pH of 7.3

• Solution with a pH of 0.3

• Solution with a pH of 13.8

• Solution with a pH of 10.2

Which of the following solutions has the lowest concentration of H⁺(aq) ions?

• Solution with a pH of 2.5

• Solution with a pH of 6.8

• Solution with a pH of 11.4

• Solution with a pH of 8.1

Which solution is considered neutral?

• Solution with a pH of 7.0

• Solution with a pH of 5.5

• Solution with a pH of 9.0

• Solution with a pH of 3.0

Which of the following pH values indicates a strongly acidic solution?

• pH 12.0

• pH 7.0

• pH 1.5

• pH 9.5

Which of the following molecules contributes to acid rain formation?

• NH₃

• CH₄

• CO₃

• SO₂

Which of the following species would be classified as both amphiprotic and polyprotic?

• H₂PO₄⁻

• H₂SO₄

• NO₃⁻

• H₃PO₄

Which of the following species can act as both a Brønsted-Lowry acid and base?

• HCO₃⁻

• HCl

• NH₃

• CH₄

320 g of ethanoic acid, CH3COOH(aq), is added to 90.0 L of pure water. Which of the following graphs would be the most likely representation of how the solution’s pH would change over time?

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Which of the following is not a necessary criterion for a standard solution in volumetric analysis?

• The substance must be pure and in a stable form.

• The substance must be non-reactive with the atmosphere.

• The substance must be inexpensive.

• The substance must have a low molecular mass

Which one of the following graphs represents the pH change when a weak acid is added to a strong base?

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